Fracture Detection by Azimuthal Differential Residual Moveout

Juefu Wang

Search and Discovery.com

... implementation, we assume the target has weak HTI anisotropy and is embedded in an isotropic background. Typically, after NMO we observe systematic...

Structure-and-Amplitude-Preserving Multi-Channel Deconvolution

Search and Discovery.com

... according to its predictability. Coherent noise can be predicted using model-based approaches. For example, multiples after NMO exhibit parabolic...

Abstract: Time-Lapse Repeatablity in 3C-3D Dataset from Weyburn CO2 Sequestration Project; #90171 (2013)

Jinfeng Ma, Le Gao, and Igor Morozov

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.... The (non-) repeatability of amplitudes in shot gathers datasets still does not automatically mean the same in the CMP domain. The consistency of NMO...

Abstract: Multi-Vintage, Pre-Stack Calibration of 3-C 3-D Time-Lapse Seismic Data; #90171 (2013)

Igor B. Morozov and Le Gao

Search and Discovery.com

... and wavelet phase rotations. 4) Spectral balancing. 5) Measurement and compensation of the normal moveout (NMO) differences between the different...

Abstract: Variable-factor S-transform for Time-frequency Decomposition, Deconvolution, and Noise Attenuation; #90172 (2014)

Todor I. Todorov, Gary F. Margrave

Search and Discovery.com

.../CWLS GeoConvention 2010, Calgary, Alberta, Canada, May 10-14, 2010 nature as well, we propose a new f-t-x noise attenuation technique on NMO -corrected...

Abstract: Bin-Share Stacking for 3D Converted Wave Processing; #90174 (2014)

Alex A. Falkovskiy, Robert Tilson, Gerry Schlosser, and Elvis Floreani

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... of an optimum bin size for the P-wave processing, velocity analysis, NMO, stacking and other steps including migration. P-S data processing requires...

Abstract: Effects of Lateral Heterogeniety Scales on AVO Trends; #90174 (2014)

Ramin Saleh, Emmanuel Bongajum, and Bernd Milkereit

Search and Discovery.com

... bins, and NMO corrected. Figure (4) shows plots of three CMP gathers used for AVO trend assessment. The locations of these CMP gathers are annotated...

Abstract: Practical Implementation of SRME for Land Multiple Attenuation; #90187 (2014)

Juefu Wang and Shaowu Wang

Search and Discovery.com

... a gather after NMO correction and the result of parabolic Radon transform. It can be seen that it is difficult to separate multiples from primaries...

Abstract: Converted-wave Time Imaging … Nuts and Bolts; #90187 (2014)

Shaowu Wang, Thomas Hollis, and Wayne Nowry

Search and Discovery.com

... final P-wave migration velocity, and , in which is the converted-wave NMO velocity and is calculated by events registration from PP PSTM stack and PS post...

Abstract: Can Interpolation Help Reduce Acquisition Costs? A Case Study; #90187 (2014)

Ye Zheng, Balazs Nemeth, Christian Escalante, Andrea Crook, Keith Millis, and Laurie Ross

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... of interest (ZOI), the reflections around the ZOI suffer severe NMO stretch and the signal-to-noise ratio is low beyond 600 m offset. It will degrade...

Abstracts: Tuning Effects in P-wave Reflections from a CO2 Injected Saline Aquifer: A Preliminary Appraisal; #90173 (2015)

Bernard Giroux, Maxime Claprood, and Lorenzo Perozzi

Search and Discovery.com

..., as illustrated by Figure 4. These values were picked along the NMO curve. The reflection is stronger for the multi-layered CO2 saturated reservoir...

Abstracts: Application of CSP Gather Modeling for Determination of Velocity Smoothing Operator for Prestack Kirchhoff Depth Migration; #90173 (2015)

Hassan Khaniani and John C. Bancroft

Search and Discovery.com

... the accuracy of this simulation, for the case where the lateral velocity variation is negligible, all of equivalent offset domain data lie on the hyperbolic NMO...

Abstract: Progress in DAS Seismic Methods; #90224 (2015)

A. Mateeva, J. Mestayer, Z. Yang, J. Lopez, P. Wills, H. Wu, W. Wong, Barbara Cox, J. Roy, and T. Bown

Search and Discovery.com

... on azimuth, 360 range. NMO has been applied to correct for offset variations (<300m). Top: Single receiver – notice the phase change of the first arrival...

High-EffortŽ Seismic Acquisition: Improving Image Detail; #41568 (2015)

David C. Henley, Kevin Hall, Henry Bland, Eric Gallant, Gary Margrave, Malcolm Bertram

Search and Discovery.com

... short period multiples, and equalize reflection strength over angle (Henley, 2004). Moveout velocity and statics NMO Velocity analysis and statics...

Identification of Sand Dunes in the Early Jurassic Nugget Formation in the Moxa Arch of Wyoming Using Seismic Attributes, Petrophysical Modeling, and Seismic Data Conditioning; #51604 (2019)

Dhruv Agrawal, Sumit Verma, Subhashis Mallick

Search and Discovery.com

... workflow Pre-stack seismic data NMO correction Structure-oriented filtering (SOF) Stacking Post-stack seismic amplitude Seismic attributes Structure...

Optimización de la Planeación de Nuevos Pozos de Desarrollo Mediante una Nueva Secuencia de Procesamiento y Migración Anisotrópica Pre-Apilado en Profundidad - Campos Guando y Matachín Norte y Sur, Valle Superior Del Magdalena (Colombia). [PAPER IN SPANI

Diógenes Rovira, M. Graziella Kirltand Grech

Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)

... geológica de la capa somera no fue el único reto en estos campos. El método convencional de la corrección de NMO asume que tanto las fuentes como los...

AVO and Inversion Contribute to Makassar Exploration Efforts

William L. Soroka, Herry Andiarbowo, Anung Widodo

Indonesian Petroleum Association

...) = Rp + (Rp - 2 Rs) sin2(Θ) This equation predicts how reflected P-wave amplitudes (Ap) vary with angle of incidence (Θ) for a seismic event in NMO...

Considerations in Azimuthal Processing and Velocity Inversion for Unconventional Plays

Michael J. Perz, William Keller, Victor Kriechbaum

Unconventional Resources Technology Conference (URTEC)

... counterpart after azimuthal NMO correction where the associated azimuthal RMS inversion only considered ∆t’s corresponding to a maximum incidence angle...

Implementation of Poisson Impedance Inversion to Characterize Hydrocarbon Reservoir at Field BŽ, South Sumatera

Bagus Dwi Prasetyo, M. Syamsu Rosid, Junita Trivianty, Humbang Purba

Indonesian Petroleum Association

... curve before doing well to seismic tie (Figure 5a and 5b) to correlate well data with seismic data. Seismic data before NMO correction, with NMO...

Test Analysis of a 2D Seismic Survey With Finer CMP Interval

Zhao Xuewu, Widya Putri Pratami, Xu Qingsen, Muchlis MYS, Guo Shanli

Indonesian Petroleum Association

... to be, a. 10 m, nominal fold 120 and b. 15 m, nominal fold 180 after NMO. Figure 11a shows brute stack at bin size 5m and fold 60. Same processing...

Demultiple of High Resolution P-Cable Data in the Norwegian Barents Sea „ An Iterative Approach

A.J. Hardwick, S. Jansen, B. Kjolhamar

Petroleum Exploration Society of Australia (PESA)

... differential NMO. Ideally for SRME sources and receivers should be co-located, in this instance we interpolated the shots at a 12.5m interval down to 6.25m...

Cost Effective Seismic Acquisition in the Papuan Foreland Basin

A. Garcia, J. D. Schneider, F. E. Doughty

Papua New Guinea (PNG) Petroleum Convention Proceedings

... generated noise. Velocities were analyzed and compared to others on the line and on intersecting lines. Data were then NMO corrected, stacked, mixed...

2007 CSPG/CSEG GeoConvention, Calgary, Alberta, May 14-17, 2007 - Abstracts, #90168 (2013).

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2007 CSPG/CSEG GeoConvention, Calgary, Alberta, May 14-17, 2007 - Abstracts, #90168 (2013).

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AVO Attributes for Successful Exploration and Field Development: A Case Study From Sarawak Basin, Offshore Malaysia

Norbert Van de Coevering, Rusdinadar Sigit, Reza Lasman

Indonesian Petroleum Association

... challenging, as the gathers may be contaminated by multiples or random noise. Residual NMO can be another factor giving rise to misleading AVO results...